/im"pyeuh deuhns/ , n.
1. the quality or state of being impudent; effrontery; insolence.
2. impudent conduct or language.
3. Obs. lack of modesty; shamelessness.
Also, impudency .
[ 1350-1400; ME impudentia shamelessness. See IMPUDENT, -ENCE ]
Syn. 1. impertinence, rudeness; brass, brazenness, face, lip, boldness, presumption, sauce, pertness; nerve, gall.
Ant. 1. courtesy.